function Q= q_funct(x)% function Q= q_funct(x)%   This file is part of the TFPM toolbox v0.9 (c)%   michael.jachan@tuwien.ac.at and underlies the GPL.% % Computes the Q-function (Pr[X>x] for a std. Gaussian). Q= erfc(x/sqrt(2))/2;